| Environmentally friendly prefix |
| Air-conditioning refrigerant causing environmental concerns |
| Shine a Little Love" grp. |
| Canine care grp.? |
| Law grp. |
| Seniors' grp. |
| Industrial standards grp. |
| Wharf workers' grp. |
| Scopes Trial grp. |
| Top-level U.S. advisory grp. |
| Secret grp. since 1947 |
| Acted in an environmentally conscious way |
| Evil Woman" grp., 1975 |
| Airline watchdog grp. |
| Grp. that conducts many tests |
| Advisory grp. that includes the drug czar |
| Hold On Tight" grp. |
| Advisory grp. to the president |
| Grp. |
| Actors' grp. |
| GP grp. |
| Drilling grp. |
| Blue Devils' grp. |
| Grp. of professionals |
| Acronym used to protest environmental hazards nearby |
| Civil defence grp. |
| Packers' grp.? |
| All Over the World" grp. |
| Historic grp. |
| Environmental activist, and the letters changed in the theme answers |